1.

Consider the graph given in Fig. in Q. 8. Which of the following options does not show instantaneous rate of reaction at 40th second ?

Answer»

`(V_(5)-V_(2))/(50-30)`
`(V_(4)-V_(2))/(50-30)`
`(V_(3)-V_(2))/(40-30)`
`(V_(3)-V_(1))/(40-20)`

Solution :Instantaneous rate at 40TH sec. will be change in volume during small interval of time close to 40 sec. VIZ. `40-30,50-40,50-30" or "40-20` sec. Volume change during `50-30` sec. interval `=V_(5)-V_(2)` and not `V_(4)-V_(2)`. Hence, (B) is not CORRECT.


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